refactor

modules/nixos/system/locale/default.nix

@@ -0,0 +1,17 @@
+{ options, config, pkgs, lib, ... }:
+
+with lib;
+with lib.plusultra;
+let cfg = config.plusultra.system.locale;
+in
+{
+  options.plusultra.system.locale = with types; {
+    enable = mkBoolOpt false "Whether or not to manage locale settings.";
+  };
+
+  config = mkIf cfg.enable {
+    i18n.defaultLocale = "en_US.UTF-8";
+
+    console = { keyMap = mkForce "us"; };
+  };
+}